01
From site assessment to a working system
Drainage Systems is an approved WaterFlow installer for the greater Waikato, South Auckland, and the Coromandel. We help select the treatment system and land application approach, then supply, install, and commission the complete system.
WaterFlow has wastewater options for homes, holiday properties, rural sites, commercial facilities, and communities. The starting point is always the land, household or project demand, and local consent requirements.
02
Systems matched to the site
WaterFlow offers several treatment methods rather than forcing every property into one product. That lets us compare aerated treatment, BioPod systems, power-free vermifiltration, septic options, and land application methods against the actual site.
- EconoTreat aerated treatment options
- BioPod vermifiltration with gentle aeration
- NaturalFlow power-free treatment options
- Treatment and land application designed together
- Supply, installation, and commissioning
Explore
System range

Precision treatment for sites that require reliable secondary or advanced treatment performance.

A compact system combining a living filter ecosystem with gentle aeration.

Nature-inspired vermifiltration systems designed for quiet operation and low running costs.
